No. Voyager 2 visited Neptune in 1989. Neptune was discovered in 1846 but its existence was inferred earlier based on how its gravity slightly perturbed the orbit of Uranus.
In Neptune
Actually it was found by voyager 2, it's the same that discover Neptune
Voyager 2 was never on Neptune, but rather did a close flyby. During this flyby, Voyager 2 studied Neptune's atmosphere and the planet's largest Moon, Triton. It also discovered 6 new moons orbiting the planet.
Voyager 1 never visited Neptune. Voyager 2 has. Voyager 2 is currently the only scientific instrument to do a fly-by of Neptune.
Voyager 2 did not land on Neptune, it made a flyby.
i the purpose is to explore outer space for other life forms
Only Voyager 2 flew by Neptune. Voyager 1, Pioneer and Galileo did not.
2 spacecrafts named 'Voyager' has reached Neptune.
Voyager 2 didn't actually orbit Neptune. It flew past it in 1989.
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voyager 2
The Voyager I and the Voyager II are the only space probes to visit Neptune. They landed in the 1980s.